| A | B |
|---|
| fossil | physical evidence of an organism that lived long ago that scientists use to study the past; evidence may appear in rock, amber, or ice |
| anatomy | structural features with a common evolutionary origin |
| analogous | the bodily parts of an organism that do not have a common evolutionary origin but are similar in structure |
| vestigial | a body structure that has no function in a present day organism but is probably useful in past times |
| embryology | the study of embryos of many different species and comparing and distinguishing them |
| biochemistry | the sequence of DNA nucleotides to make evolutionary diagrams |
| What is an example of a fossil? | An example is amber, rock, or ice. |
| What is an example of anatomy? | An example is two animals that have the same order of bones, but they serve different functions. |
